body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

.form-group label {
    margin-bottom: 5px;
}

select {
    -webkit-appearance: none; /* 移除默认样式 */
    -moz-appearance: none;
    appearance: none;

    background-color: #fff; /* 设置背景颜色 */
}

.form-group select,
.form-group input {
    padding: 10px;
    font-size: 16px; /* 设置字体大小 */
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    width: 100%;
}

.form-group button {
    padding: 10px 20px;
    background-color: #5cb85c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.item-row:last-child {
    border-bottom: none;
}

.item-row button {
    padding: 5px 10px;
    background-color: #d9534f;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

/* 提示框样式 */
.alert-box {
    max-width: 800px;  /* 最大宽度为800px */
    margin: 20px auto; /* 上下有间距，左右居中 */
    padding: 20px;  /* 内边距 */
    background-color: #f2dede;  /* 透明红色背景 */
    border: 2px solid #dca7a7;  /* 红色边框 */
    color: #a94442;  /* 字体颜色为红色 */
    font-size: 18px;  /* 字体大小 */
    border-radius: 8px;  /* 边框圆角 */
}

.alert-box p {
    margin: 0;  /* 去掉段落的默认外边距 */
}

